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<a href="transcendent_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">Software License for The Fraunhofer FDK AAC Codec Library for Android</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">© Copyright  1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">Forschung e.V. All rights reserved.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> 1.    INTRODUCTION</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">The Fraunhofer FDK AAC Codec Library for Android (&quot;FDK AAC Codec&quot;) is software</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">that implements the MPEG Advanced Audio Coding (&quot;AAC&quot;) encoding and decoding</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">scheme for digital audio. This FDK AAC Codec software is intended to be used on</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">a wide variety of Android devices.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">AAC&#39;s HE-AAC and HE-AAC v2 versions are regarded as today&#39;s most efficient</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">general perceptual audio codecs. AAC-ELD is considered the best-performing</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">full-bandwidth communications codec by independent studies and is widely</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">deployed. AAC has been standardized by ISO and IEC as part of the MPEG</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">specifications.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">Patent licenses for necessary patent claims for the FDK AAC Codec (including</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">those of Fraunhofer) may be obtained through Via Licensing</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">(www.vialicensing.com) or through the respective patent owners individually for</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">the purpose of encoding or decoding bit streams in products that are compliant</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment">with the ISO/IEC MPEG audio standards. Please note that most manufacturers of</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">Android devices already license these patent claims through Via Licensing or</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">directly from the patent owners, and therefore FDK AAC Codec software may</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment">already be covered under those patent licenses when it is used for those</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment">licensed purposes only.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">Commercially-licensed AAC software libraries, including floating-point versions</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">with enhanced sound quality, are also available from Fraunhofer. Users are</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment">encouraged to check the Fraunhofer website for additional applications</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">information and documentation.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment">2.    COPYRIGHT LICENSE</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment">Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment">are permitted without payment of copyright license fees provided that you</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">satisfy the following conditions:</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">You must retain the complete text of this software license in redistributions of</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">the FDK AAC Codec or your modifications thereto in source code form.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">You must retain the complete text of this software license in the documentation</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">and/or other materials provided with redistributions of the FDK AAC Codec or</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment">your modifications thereto in binary form. You must make available free of</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment">charge copies of the complete source code of the FDK AAC Codec and your</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment">modifications thereto to recipients of copies in binary form.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">The name of Fraunhofer may not be used to endorse or promote products derived</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">from this library without prior written permission.</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">You may not charge copyright license fees for anyone to use, copy or distribute</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">the FDK AAC Codec software or your modifications thereto.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment">Your modified versions of the FDK AAC Codec must carry prominent notices stating</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment">that you changed the software and the date of any change. For modified versions</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment">of the FDK AAC Codec, the term &quot;Fraunhofer FDK AAC Codec Library for Android&quot;</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">must be replaced by the term &quot;Third-Party Modified Version of the Fraunhofer FDK</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">AAC Codec Library for Android.&quot;</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">3.    NO PATENT LICENSE</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment">NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">limitation the patents of Fraunhofer, ARE GRANTED BY THIS SOFTWARE LICENSE.</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">Fraunhofer provides no warranty of patent non-infringement with respect to this</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment">software.</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment">You may use this FDK AAC Codec software or modifications thereto only for</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment">purposes that are authorized by appropriate patent licenses.</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment">4.    DISCLAIMER</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">holders and contributors &quot;AS IS&quot; and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">including but not limited to the implied warranties of merchantability and</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary,</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">or consequential damages, including but not limited to procurement of substitute</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment">goods or services; loss of use, data, or profits, or business interruption,</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment">however caused and on any theory of liability, whether in contract, strict</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">liability, or tort (including negligence), arising in any way out of the use of</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment">this software, even if advised of the possibility of such damage.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">5.    CONTACT INFORMATION</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment">Fraunhofer Institute for Integrated Circuits IIS</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment">Attention: Audio and Multimedia Departments - FDK AAC LL</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment">Am Wolfsmantel 33</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment">91058 Erlangen, Germany</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment">www.iis.fraunhofer.de/amm</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment">amm-info@iis.fraunhofer.de</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment">----------------------------------------------------------------------------- */</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment">/**************************** SBR decoder library ******************************</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment">   Author(s):</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment">   Description:</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment">*******************************************************************************/</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="preprocessor">#ifndef TRANSCENDENT_H</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">#define TRANSCENDENT_H</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160; </div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="preprocessor">#include &quot;sbrdecoder.h&quot;</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="sbr__rom_8h.html">sbr_rom.h</a>&quot;</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="comment">/************************************************************************/</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="comment">/************************************************************************/</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> FIXP_SGL FDK_getNumOctavesDiv8(<a class="code" href="machine__type_8h.html#a4cf9af43a95c45c3d469658098dfbe1a">INT</a> a, </div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;                                             <a class="code" href="machine__type_8h.html#a4cf9af43a95c45c3d469658098dfbe1a">INT</a> b) </div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;{</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  <span class="keywordflow">return</span> ((<a class="code" href="machine__type_8h.html#ac29555e80bd1ec1b5e40b732df417090">SHORT</a>)((<a class="code" href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a>)(CalcLdInt(b) - CalcLdInt(a)) &gt;&gt; (FRACT_BITS - 3)));</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;}</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160; </div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="comment">/************************************************************************/</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="comment">/************************************************************************/</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="transcendent_8h.html#a73a42ed384110771cba8c2087024a8e0">  138</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="transcendent_8h.html#a73a42ed384110771cba8c2087024a8e0">FDK_add_MantExp</a>(FIXP_SGL a_m, </div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                            <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> a_e,    </div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;                            FIXP_SGL b_m, </div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;                            <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> b_e,    </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;                            FIXP_SGL *ptrSum_m, </div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                            <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> *ptrSum_e)    </div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;{</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;  FIXP_DBL accu;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  <span class="keywordtype">int</span> shift;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;  <span class="keywordtype">int</span> shiftAbs;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  FIXP_DBL shiftedMantissa;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;  FIXP_DBL otherMantissa;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160; </div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;  <span class="comment">/* Equalize exponents of the summands.</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="comment">     For the smaller summand, the exponent is adapted and</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="comment">     for compensation, the mantissa is shifted right. */</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160; </div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;  shift = (int)(a_e - b_e);</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160; </div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;  shiftAbs = (shift &gt; 0) ? shift : -shift;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  shiftAbs = (shiftAbs &lt; DFRACT_BITS - 1) ? shiftAbs : DFRACT_BITS - 1;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;  shiftedMantissa = (shift &gt; 0) ? (FX_SGL2FX_DBL(b_m) &gt;&gt; shiftAbs)</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;                                : (FX_SGL2FX_DBL(a_m) &gt;&gt; shiftAbs);</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  otherMantissa = (shift &gt; 0) ? FX_SGL2FX_DBL(a_m) : FX_SGL2FX_DBL(b_m);</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;  *ptrSum_e = (shift &gt; 0) ? a_e : b_e;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160; </div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;  accu = (shiftedMantissa &gt;&gt; 1) + (otherMantissa &gt;&gt; 1);</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;  <span class="comment">/* shift by 1 bit to avoid overflow */</span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;  <span class="keywordflow">if</span> ((accu &gt;= (FL2FXCONST_DBL(0.5f) - (FIXP_DBL)1)) ||</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;      (accu &lt;= FL2FXCONST_DBL(-0.5f)))</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    *ptrSum_e += 1;</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    accu = (shiftedMantissa + otherMantissa);</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160; </div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;  *ptrSum_m = FX_DBL2FX_SGL(accu);</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;}</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160; </div>
<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="transcendent_8h.html#adf8f732ba34855b27e85500858e4afc5">  177</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="transcendent_8h.html#a73a42ed384110771cba8c2087024a8e0">FDK_add_MantExp</a>(FIXP_DBL a,       </div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;                            <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> a_e,        </div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;                            FIXP_DBL b,       </div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                            <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> b_e,        </div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;                            FIXP_DBL *ptrSum, </div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;                            <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> *ptrSum_e)  </div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;{</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;  FIXP_DBL accu;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;  <span class="keywordtype">int</span> shift;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;  <span class="keywordtype">int</span> shiftAbs;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160; </div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;  FIXP_DBL shiftedMantissa;</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;  FIXP_DBL otherMantissa;</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160; </div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;  <span class="comment">/* Equalize exponents of the summands.</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="comment">     For the smaller summand, the exponent is adapted and</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="comment">     for compensation, the mantissa is shifted right. */</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160; </div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;  shift = (int)(a_e - b_e);</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160; </div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;  shiftAbs = (shift &gt; 0) ? shift : -shift;</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;  shiftAbs = (shiftAbs &lt; DFRACT_BITS - 1) ? shiftAbs : DFRACT_BITS - 1;</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;  shiftedMantissa = (shift &gt; 0) ? (b &gt;&gt; shiftAbs) : (a &gt;&gt; shiftAbs);</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;  otherMantissa = (shift &gt; 0) ? a : b;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;  *ptrSum_e = (shift &gt; 0) ? a_e : b_e;</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160; </div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;  accu = (shiftedMantissa &gt;&gt; 1) + (otherMantissa &gt;&gt; 1);</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;  <span class="comment">/* shift by 1 bit to avoid overflow */</span></div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160; </div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;  <span class="keywordflow">if</span> ((accu &gt;= (FL2FXCONST_DBL(0.5f) - (FIXP_DBL)1)) ||</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;      (accu &lt;= FL2FXCONST_DBL(-0.5f)))</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    *ptrSum_e += 1;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    accu = (shiftedMantissa + otherMantissa);</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;  *ptrSum = accu;</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;}</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160; </div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="comment">/************************************************************************/</span></div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;<span class="comment">/************************************************************************/</span></div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> FDK_divide_MantExp(</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    FIXP_SGL a_m,          </div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> a_e,             </div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;    FIXP_SGL b_m,          </div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> b_e,             </div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    FIXP_SGL *ptrResult_m, </div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> *ptrResult_e)    </div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;{</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;  <span class="keywordtype">int</span> preShift, postShift, index, shift;</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;  FIXP_DBL ratio_m;</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;  FIXP_SGL bInv_m = FL2FXCONST_SGL(0.0f);</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160; </div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;  preShift = CntLeadingZeros(FX_SGL2FX_DBL(b_m));</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160; </div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="comment">    Shift b into the range from 0..INV_TABLE_SIZE-1,</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="comment">    E.g. 10 bits must be skipped for INV_TABLE_BITS 8:</span></div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;<span class="comment">    - leave 8 bits as index for table</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="comment">    - skip sign bit,</span></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="comment">    - skip first bit of mantissa, because this is always the same (&gt;0.5)</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="comment">    We are dealing with energies, so we need not care</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="comment">    about negative numbers</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160; </div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="comment">    The first interval has half width so the lowest bit of the index is</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="comment">    needed for a doubled resolution.</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;  shift = (FRACT_BITS - 2 - INV_TABLE_BITS - preShift);</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160; </div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;  index = (shift &lt; 0) ? (<a class="code" href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a>)b_m &lt;&lt; (-shift) : (<a class="code" href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a>)b_m &gt;&gt; shift;</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160; </div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;  <span class="comment">/* The index has INV_TABLE_BITS +1 valid bits here. Clear the other bits. */</span></div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;  index &amp;= (1 &lt;&lt; (INV_TABLE_BITS + 1)) - 1;</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160; </div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;  <span class="comment">/* Remove offset of half an interval */</span></div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;  index--;</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160; </div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;  <span class="comment">/* Now the lowest bit is shifted out */</span></div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;  index = index &gt;&gt; 1;</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160; </div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;  <span class="comment">/* Fetch inversed mantissa from table: */</span></div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;  bInv_m = (index &lt; 0) ? bInv_m : <a class="code" href="sbr__rom_8cpp.html#ad59d3a2550631f6ec30591c34a3126c2">FDK_sbrDecoder_invTable</a>[index];</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160; </div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;  <span class="comment">/* Multiply a with the inverse of b: */</span></div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;  ratio_m = (index &lt; 0) ? FX_SGL2FX_DBL(a_m &gt;&gt; 1) : fMultDiv2(bInv_m, a_m);</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160; </div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;  postShift = CntLeadingZeros(ratio_m) - 1;</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160; </div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;  *ptrResult_m = FX_DBL2FX_SGL(ratio_m &lt;&lt; postShift);</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;  *ptrResult_e = a_e - b_e + 1 + preShift - postShift;</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;}</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160; </div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> FDK_divide_MantExp(</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    FIXP_DBL a_m,          </div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> a_e,             </div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    FIXP_DBL b_m,          </div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> b_e,             </div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    FIXP_DBL *ptrResult_m, </div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> *ptrResult_e)    </div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;{</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;  <span class="keywordtype">int</span> preShift, postShift, index, shift;</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;  FIXP_DBL ratio_m;</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;  FIXP_SGL bInv_m = FL2FXCONST_SGL(0.0f);</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160; </div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;  preShift = CntLeadingZeros(b_m);</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160; </div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="comment">    Shift b into the range from 0..INV_TABLE_SIZE-1,</span></div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="comment">    E.g. 10 bits must be skipped for INV_TABLE_BITS 8:</span></div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="comment">    - leave 8 bits as index for table</span></div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="comment">    - skip sign bit,</span></div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;<span class="comment">    - skip first bit of mantissa, because this is always the same (&gt;0.5)</span></div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;<span class="comment">    We are dealing with energies, so we need not care</span></div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="comment">    about negative numbers</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160; </div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="comment">    The first interval has half width so the lowest bit of the index is</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="comment">    needed for a doubled resolution.</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;  shift = (DFRACT_BITS - 2 - INV_TABLE_BITS - preShift);</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160; </div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;  index = (shift &lt; 0) ? (<a class="code" href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a>)b_m &lt;&lt; (-shift) : (<a class="code" href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a>)b_m &gt;&gt; shift;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160; </div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;  <span class="comment">/* The index has INV_TABLE_BITS +1 valid bits here. Clear the other bits. */</span></div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;  index &amp;= (1 &lt;&lt; (INV_TABLE_BITS + 1)) - 1;</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160; </div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;  <span class="comment">/* Remove offset of half an interval */</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;  index--;</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160; </div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;  <span class="comment">/* Now the lowest bit is shifted out */</span></div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;  index = index &gt;&gt; 1;</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160; </div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;  <span class="comment">/* Fetch inversed mantissa from table: */</span></div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;  bInv_m = (index &lt; 0) ? bInv_m : <a class="code" href="sbr__rom_8cpp.html#ad59d3a2550631f6ec30591c34a3126c2">FDK_sbrDecoder_invTable</a>[index];</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160; </div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;  <span class="comment">/* Multiply a with the inverse of b: */</span></div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;  ratio_m = (index &lt; 0) ? (a_m &gt;&gt; 1) : fMultDiv2(bInv_m, a_m);</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160; </div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;  postShift = CntLeadingZeros(ratio_m) - 1;</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160; </div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;  *ptrResult_m = ratio_m &lt;&lt; postShift;</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;  *ptrResult_e = a_e - b_e + 1 + preShift - postShift;</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;}</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160; </div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> FDK_sqrt_MantExp(</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    FIXP_DBL *mantissa, </div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;    <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> *exponent, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a> *destScale) {</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;  FIXP_DBL input_m = *mantissa;</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;  <span class="keywordtype">int</span> input_e = (int)*exponent;</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;  FIXP_DBL result = FL2FXCONST_DBL(0.0f);</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;  <span class="keywordtype">int</span> result_e = -FRACT_BITS;</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160; </div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;  <span class="comment">/* Call lookup square root, which does internally normalization. */</span></div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;  result = sqrtFixp_lookup(input_m, &amp;input_e);</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;  result_e = input_e;</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160; </div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;  <span class="comment">/* Write result */</span></div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;  <span class="keywordflow">if</span> (exponent == destScale) {</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;    *mantissa = result;</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;    *exponent = result_e;</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;    <span class="keywordtype">int</span> shift = result_e - *destScale;</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;    *mantissa = (shift &gt;= 0) ? result &lt;&lt; (<a class="code" href="machine__type_8h.html#a4cf9af43a95c45c3d469658098dfbe1a">INT</a>)fixMin(DFRACT_BITS - 1, shift)</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;                             : result &gt;&gt; (<a class="code" href="machine__type_8h.html#a4cf9af43a95c45c3d469658098dfbe1a">INT</a>)fixMin(DFRACT_BITS - 1, -shift);</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;    *exponent = *destScale;</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;  }</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;}</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160; </div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="amachine__type_8h_html_a4cf9af43a95c45c3d469658098dfbe1a"><div class="ttname"><a href="machine__type_8h.html#a4cf9af43a95c45c3d469658098dfbe1a">INT</a></div><div class="ttdeci">signed int INT</div><div class="ttdef"><b>Definition:</b> machine_type.h:176</div></div>
<div class="ttc" id="amachine__type_8h_html_ac29555e80bd1ec1b5e40b732df417090"><div class="ttname"><a href="machine__type_8h.html#ac29555e80bd1ec1b5e40b732df417090">SHORT</a></div><div class="ttdeci">signed short SHORT</div><div class="ttdef"><b>Definition:</b> machine_type.h:187</div></div>
<div class="ttc" id="amachine__type_8h_html_adeeed35101214b62ebabd7bf71f27ab1"><div class="ttname"><a href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a></div><div class="ttdeci">signed long LONG</div><div class="ttdef"><b>Definition:</b> machine_type.h:184</div></div>
<div class="ttc" id="amachine__type_8h_html_af3e70e9edd31fb299154d959c70ac6bf"><div class="ttname"><a href="machine__type_8h.html#af3e70e9edd31fb299154d959c70ac6bf">SCHAR</a></div><div class="ttdeci">signed char SCHAR</div><div class="ttdef"><b>Definition:</b> machine_type.h:189</div></div>
<div class="ttc" id="asbr__rom_8cpp_html_ad59d3a2550631f6ec30591c34a3126c2"><div class="ttname"><a href="sbr__rom_8cpp.html#ad59d3a2550631f6ec30591c34a3126c2">FDK_sbrDecoder_invTable</a></div><div class="ttdeci">const FIXP_SGL FDK_sbrDecoder_invTable[INV_TABLE_SIZE]</div><div class="ttdoc">Create lookup tables for some arithmetic functions.</div><div class="ttdef"><b>Definition:</b> sbr_rom.cpp:1164</div></div>
<div class="ttc" id="asbr__rom_8h_html"><div class="ttname"><a href="sbr__rom_8h.html">sbr_rom.h</a></div><div class="ttdoc">Declaration of constant tables.</div></div>
<div class="ttc" id="atranscendent_8h_html_a73a42ed384110771cba8c2087024a8e0"><div class="ttname"><a href="transcendent_8h.html#a73a42ed384110771cba8c2087024a8e0">FDK_add_MantExp</a></div><div class="ttdeci">void FDK_add_MantExp(FIXP_SGL a_m, SCHAR a_e, FIXP_SGL b_m, SCHAR b_e, FIXP_SGL *ptrSum_m, SCHAR *ptrSum_e)</div><div class="ttdoc">Add two values given by mantissa and exponent.</div><div class="ttdef"><b>Definition:</b> transcendent.h:138</div></div>
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